I believe it’s a local thing but not just confined to St Albans: a similar thing has happened over the last 2 years round my way in Hertford thanks to a local group called the ‘The Secret Society of Hertford Crafters’, who are raising money for a local hospice.

Don’t have any photos to hand but they were also behind the extraordinary display at Hertford Castle last month, which featured some 15,000 poppies knitted by residents: